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Wyświetlanie 1-10 z 205
Tytuł:
The self-learning active problem in dynamic systems
Autorzy:
Hordjewicz, Tomasz
Kozłowski, Edward
Powiązania:
https://bibliotekanauki.pl/articles/764175.pdf
Data publikacji:
2007
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Źródło:
Annales Universitatis Mariae Curie-Skłodowska. Sectio AI, Informatica; 2007, 7, 1
1732-1360
2083-3628
Pojawia się w:
Annales Universitatis Mariae Curie-Skłodowska. Sectio AI, Informatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Self-learning fuzzy predictor of exploitation system operating time
Autorzy:
Smoczek, J.
Szpytko, J.
Powiązania:
https://bibliotekanauki.pl/articles/247106.pdf
Data publikacji:
2011
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
operating time prediction
fuzzy logic
recursive least squares algorithm
overhead travelling crane
Opis:
The probability that a system is capable to operate satisfactorily significantly depends on reliability and maintainability of a system. The disadvantage of classic methods of system availability determining is that the probability of realizing by system tasks with expected quality depends on history of operational states and does not take into consideration actual operational conditions that have strong influence on risk-degree of down-time occurring, while the probability of degradation failure in exploitation system is a function of operating time and actual exploitation conditions. The problem of failures prediction can be solved by applying in diagnostics methods the intelligent computational algorithms. The intelligence computational methods enable to create the diagnosis tools that allow to formulate the prognosis of operating time of a system and predict of failure occurring based on the past and actual information about system's operational state. The paper presents the fuzzy logic approach to forecast the prognoses of the operating time of the exploitation system or its equipments according to the specified exploitation conditions that characterize the system exploitation state at the current time. The fuzzy system was based on the Takagi-Sugeno-Kang type fuzzy implications with singletons specifies in conclusions of rules. The fuzzy inference system input variables are the assumed parameters according to which the current exploitation state of the considered system can be evaluated.
Źródło:
Journal of KONES; 2011, 18, 4; 463-469
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of stochastic optimal controls with different level of self-learning
Autorzy:
Hordjewicz, Tomasz
Kozłowski, Edward
Powiązania:
https://bibliotekanauki.pl/articles/764451.pdf
Data publikacji:
2006
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Źródło:
Annales Universitatis Mariae Curie-Skłodowska. Sectio AI, Informatica; 2006, 5, 1
1732-1360
2083-3628
Pojawia się w:
Annales Universitatis Mariae Curie-Skłodowska. Sectio AI, Informatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
E-book of Physics for Self-Learning
E-książka w uczeniu się fizyki
Autorzy:
TVORUN, Oksana
Powiązania:
https://bibliotekanauki.pl/articles/455784.pdf
Data publikacji:
2011
Wydawca:
Uniwersytet Rzeszowski
Tematy:
Information technology
self-learning
students
physics
E-book
technologia informacyjna
uczenie się
student
fizyka
e-książka
Opis:
The article considers the problems and methods of the creating and use E-books of Physics in the education process for Self-Learning.
W artykule przedstawiono rozważania nad problematyką i metodami opracowywania oraz wykorzystania e-książek w procesie uczenia się fizyki.
Źródło:
Edukacja-Technika-Informatyka; 2011, 2, 2; 185-190
2080-9069
Pojawia się w:
Edukacja-Technika-Informatyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Self-learning scoring models – introduction of an on-line approach to risk assesment
Autorzy:
Kozera, R.
Koziol, P
Powiązania:
https://bibliotekanauki.pl/articles/102506.pdf
Data publikacji:
2014
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
risk management
scoring model
information theory
Opis:
The problem considered in this article involves the construction of evaluation model, which could subsequently be used in the field of modeling and risk management. The research work is finalized by a construction of a new model on the basis of observations of the models used for risk management and knowledge of information theory, machine learning and artificial neural networks. The developed tools are trained online, using their ability for automatic deduction rules based on data, during model application for evaluation tasks. The model, consequently changes the data analysis stage, limits the scope of the necessary expertise in the area, where the assessment model can be used and, to some extent, the shape of the model becomes independent from the current range of available data. These features increase its ability to generalize and to cope with the data of previously undefined classes, as well as improve its resistance to gaps occurring in the data. Performance of the model presented in this paper is tested and verified on the basis of real-life data, which would resemble a potentially real practical application. Preliminary tests performed within the scope of this work indicate that the developed model can form a starting point for further research as some of the used mechanisms have a fairly high efficiency and flexibility.
Źródło:
Advances in Science and Technology. Research Journal; 2014, 8, 22; 42-50
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Self-learning control algorithms used to manage the operating of an internal combustion engine
Autorzy:
Graba, Mariusz
Mamala, Jarosław
Bieniek, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/242942.pdf
Data publikacji:
2019
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
transport
simulation
combustion engines
environmental protection
neural network
Opis:
The article presents the possibility of using self-learning control algorithms to manage subassemblies of an internal combustion engine in order to reduce exhaust emissions to the natural environment. In compression ignition (CI) engines, the issue of emissions mainly concerns two components: particulate matter (PM) and nitrogen oxides (NOx). The work focuses mainly on the possibility of reducing the emission of nitrogen oxides. It is assumed that the particularly problematic points when it comes to excessive emission of harmful substances are the dynamic states in which combustion engines operate constantly. In dynamically changing operating points, it is very difficult to choose the right setting of actuators such as the exhaust gas recirculation (EGR) valve to ensure the correct operation of the unit and the minimum emission of these substances. In the light of the above, an attempt was made to develop a selflearning mathematical model, which can predict estimated emission levels of selected substance basing on current measurement signals (e.g. air, pressure, crankshaft rotational speed, etc.). The article presents the results of the estimation of nitrogen oxides by the trained neural network in comparison to the values measured with the use of a sensor installed in the exhaust system. The presented levels of estimated and measured results are very similar to each other and shifted over time in favour of neural networks, where the information about the emission level appears much earlier. On the basis of the estimated level, it shall be possible to make an appropriate decision about specific settings of recirculation system components, such as the EGR valve. It is estimated that by using the chosen control method it is possible significantly to reduce the emission of harmful substances into the natural environment while maintaining dynamic properties of the engine.
Źródło:
Journal of KONES; 2019, 26, 4; 75-82
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Alternative for Kalman filter - two dimension self-learning filter with memory, implementation in State University in Chełm
Autorzy:
Fellner, A.
Trómiński, P.
Zając, J.
Banaszek, K.
Powiązania:
https://bibliotekanauki.pl/articles/225121.pdf
Data publikacji:
2008
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
pomiary
nawigacja
measurements
navigation
Źródło:
Reports on Geodesy; 2008, z. 1/84; 69-72
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Self-directed learning. Próba konceptualizacji pojęcia na gruncie edukacji dorosłych
SELF-DIRECTED LEARNING. AN ATTEMPT TO CONCEPTUALIZATION ON ADULT EDUCATION
Autorzy:
Ciechanowska, Dorota
Powiązania:
https://bibliotekanauki.pl/articles/418220.pdf
Data publikacji:
2009
Wydawca:
Akademickie Towarzystwo Andragogiczne
Tematy:
SELF-DIRECTED LEARNING
Opis:
The study describes growing interest of self-directed learning (SDL) on the field of adult education. Looking at its origin the idea is complex and rich. There are many parallel ideas and theories within the phenomenon self-directed learning. As many related components are used in a similar way the idea of is fraught with confusion. In English language there is a strong need and some wide research had been undertaken to clarify the meanings of related concepts as well as the meaning of the idea of SDL. In order to avoid misunderstandings in implementation self-directed learning in Polish theory we have to clarify the independent concept that will describe the exact meaning meant by authors rather than to use already existing expressions which have their original meaning much different from the idea of self-directed learning. In the study the new expression in Polish language has been defined and explained.
Źródło:
Rocznik Andragogiczny; 2009, R. 2009
1429-186X
2391-7571
Pojawia się w:
Rocznik Andragogiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Learning and its Effectiveness in Students’ Self-reflection
Autorzy:
Rodek, Violetta
Powiązania:
https://bibliotekanauki.pl/articles/1967798.pdf
Data publikacji:
2019-03-31
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
self-learning
didactics of institution of higher education
Opis:
The article presents research on students’ independent self-learning. The applied method was an analysis of intentionally prepared documents. While conducting the research, an attempt was made to recognise: the manner of the understanding the notion of “learning” by the students; the manner of learning which they apply as well as evaluation of their own effectiveness in this scope. The participants in the research identify learning mainly as mnemonic acquisition of new knowledge in the situations related to the process of studying. In the majority of cases, they work unsystematically, applying ineffective techniques of learning and express negative judgements on their own learning effectiveness.
Źródło:
The New Educational Review; 2019, 55; 112-120
1732-6729
Pojawia się w:
The New Educational Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 205

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